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Yamaha Lower Unit Oil

Yamaha Lower Unit Oil shows low returns (0.5%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Flapen Score

51
Worth a look

Top 39% of 7,287 Automotive niches · +2 vs the category median of 49

Market size 30Growth 62Conversion 90Competition 26Returns 98Price range 95Avg price 95Brand share 0Review moat 71Quality gap 16
This niche Category average · 7,287 niches

Is Yamaha Lower Unit Oil profitable on Amazon?

According to Flapen's Amazon United States niche tracking, Yamaha Lower Unit Oil is a $134K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May–Oct. Verdict: Worth a look — 51/100.

Yamaha Lower Unit Oil: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +39.4% over the last 90 days and 10.7% of searches end in a purchase.

$134K

revenue / yr

Units sold / yr6K
Search volume / yr+39.4%41K
Conversion rate10.7%
Avg price$30.23

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers5 · 41
Top-5 product click share70%
Open market0%
Avg brand age78 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 15 products

Sponsored placement27%
New entrants (1y)0· 0 succeeded
Avg rating4.7★
Avg reviews668

Top Yamaha Lower Unit Oil products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

$0$7K$13K$20K$27K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 falling

Sellers

41

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

0%

  • Yamaha Motor75%
  • STONEMUSLE15%
  • PWC Parts Co6%
  • SeaSierra2%
  • Quicksilver2%
  • Open — no brand owns it (0%)

Yamaha Lower Unit Oil demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume41KCVR10.7%Products15Brands5Top 5 Brands100%OOS Rate0.0%Rating4.7★Reviews668Avg BSR#126
1K750Spike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Oct · busiest ÷ quietest = 3.0×

Top Yamaha Lower Unit Oil search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • yamaha lower unit gear oil12K/yr
  • yamalube 80w90 gear oil12K/yr
  • yamaha lower unit oil4K/yr
  • yamalube gear oil4K/yr
  • yamaha gear lube4K/yr
  • yamaha gear oil3K/yr
  • yamaha lower unit oil change kit2K/yr

What reviews say buyers love and hate about Yamaha Lower Unit Oil

What buyers mention most, as a share of all reviews.

What buyers love

93% of reviews
Quality-Overall22%

Great kit

Value For Money20%

Great Value

Advertised Vs Actual Product13%

As advertised

Efficiency13%

Did its job

Ease Of Use10%

Easy to use

What buyers complain about

94% of reviews
Size-Overall28%

Fill hose does not securely fit the pump

Instructions/User Manual/Troubleshooting11%

No directions in the box

Lubrication11%

Is it just me or is everyone checking Gl-4 vs this Gl-5 lube

Advertised Vs Actual Product11%

but the 3/8 swivel adapter is NOT a swivel as the description says

Assembly/Installation11%

Could be a little easier to screw on

Yamaha Lower Unit Oil return rate & reasons

Why buyers send it back, as a share of all return requests.

0.5%

Return rate

37%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Value For Money
22%
2Advertised Vs Actual Product
18%
3Size-Overall
16%
4Leak-Proof
13%
5Compatibility-Overall
10%

Common Yamaha Lower Unit Oil questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Yamaha Lower Unit Oil 51/100 on Amazon United States — Worth a look. The niche generates $134K/yr across 15 tracked products. Search demand moved +39.4% over the last 90 days.
Search demand for Yamaha Lower Unit Oil on Amazon United States peaks in Mar–Apr–May–Oct, where the busiest month runs 3.0× the quietest.